InvertAffineTransformation

Invert a 2D affine transformation matrix. The inverted transformation compensates the affine transformation on an image if it is used in the F_VN_WarpAffine function.

Syntax

Definition:

HRESULT InvertAffineTransformation(
    HRESULT              hrPrev,
    TcVnMatrix2x3_LREAL& aTransformationMatrix,
    TcVnMatrix2x3_LREAL& aInvertedTransformationMatrix
)

Parameters

Name

Type

Description

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

aTransformationMatrix

TcVnMatrix2x3_LREAL&

Source affine transformation matrix

aInvertedTransformationMatrix

TcVnMatrix2x3_LREAL&

Resulting inverted affine transformation matrix

InvertAffineTransformation 1: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1. 4024.44 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision